The Model Q2968 Test and Drain Valve is an industry-standard, multi-functional ball valve designed for water flow testing and system draining in fire network and sprinkler systems. Originally manufactured by Ningbo Huacheng Valve (and distributed/wholesaled globally by various safety supply brands like King Bell, SD Fire Sprinkler, and NASCO), it replaces multiple individual fittings to optimize space and meet NFPA 25 requirements.